segment.com - Email Domain Verification & Deliverability Report

Active Corporate Email
Organization: Twilio Segment
Mail Server: Proofpoint
Verified 4 days ago

Verify email addresses @segment.com. View MX records, mail server configuration, and authentication status for Twilio Segment.

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MX Records for segment.com

PriorityMail ServerIP Address
10 mxa-0023de01.gslb.pphosted.com 148.163.149.14
SMTP Status: Responding
SMTP Banner:
220 mx0a-0023de01.pphosted.com ESMTP mfa-m0293216

segment.com uses Proofpoint mail servers, which means emails are processed through Proofpoint infrastructure with their built-in spam filtering and security controls.

Email Authentication for segment.com

SPF Record Pass

v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
Authorized Senders:
%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email

SPF (Sender Policy Framework) specifies which mail servers are authorized to send email on behalf of segment.com.

DMARC Record Reject

v=DMARC1; p=reject; pct=100; rua=mailto:dmarc_agg@vali.email,mailto:53c7d092@inbox.ondmarc.com; ruf=mailto:53c7d092@inbox.ondmarc.com; fo=1; ri=3600

Policy applied to: 100% of emails

DMARC (Domain-based Message Authentication) tells receiving servers what to do with emails that fail authentication checks.

DKIM Found

DKIM signatures were detected for segment.com, confirming that this domain cryptographically signs outgoing emails.

Authentication Summary: segment.com has full email authentication configured with SPF, DMARC, and DKIM. This provides strong protection against email spoofing and phishing. Emails sent from this domain are well-authenticated and likely to have high deliverability.

WHOIS & Domain Information

Registration Details

Domain
segment.com
TLD
.com
Created
1998-07-05
Updated
2024-02-20
Expires
2026-07-04
Domain Age
27 years

Registrar

Name
MarkMonitor, Inc.
IANA ID
292

Registrant Contact

Organization
Twilio Inc.
Location
UNITED STATES

Technical Contact

Location
UNITED STATES

Name Servers

  • ns-386.awsdns-48.com
  • ns-1205.awsdns-22.org
  • ns-1681.awsdns-18.co.uk
  • ns-677.awsdns-20.net

Verifying Emails at Twilio Segment

Twilio Segment (segment.com) is a customer data platform owned by Twilio, headquartered in San Francisco, California. Segment collects, cleans, and routes customer data from websites, apps, and servers to analytics tools, marketing platforms, and data warehouses. The platform serves as the data infrastructure layer for thousands of businesses.

Segment implements enterprise email authentication on the segment.com domain with SPF, DKIM, and DMARC enforcement. As a customer data infrastructure company, Segment maintains robust email security to protect customer data pipelines and corporate communications under Twilio's security umbrella.

SMTP verification of segment.com addresses returns definitive responses for valid and invalid mailboxes. The domain does not function as catch-all. Segment's enterprise mail infrastructure implements rate limiting on inbound SMTP connections.

For partners communicating with Segment employees, proper sender authentication improves deliverability. Segment's corporate email filters enforce SPF, DKIM, and DMARC validation. Authentication compliance ensures reliable inbox delivery to segment.com addresses.

How to Verify segment.com Email Addresses

Need to check if an email address at segment.com actually exists before you send to it? BulkEmailChecker performs deep SMTP-level validation, connecting directly to segment.com's mail servers to confirm the mailbox is real, active, and able to receive your message. No test email is ever sent, so your sender reputation stays protected.

Verify a Single segment.com Email
Use BulkEmailChecker's free email verification tool to instantly validate any segment.com address. You'll get a complete deliverability report including mailbox existence, catch-all detection, disposable domain flagging, and risk scoring, all in under 3 seconds.

Verify a List of segment.com Emails in Bulk
Have a mailing list full of segment.com addresses? Upload your CSV or TXT file to BulkEmailChecker and verify thousands of email addresses in minutes. Our bulk verification engine runs 30+ checks per address including syntax validation, DNS resolution, SMTP handshake, and spam trap detection. Clean your list before every campaign to keep bounce rates below 2% and protect your sender score. See bulk pricing.

Verify segment.com Emails via API in Real-Time
Building a signup form, CRM integration, or lead capture system? BulkEmailChecker's real-time verification API validates segment.com email addresses at the point of entry, blocking invalid, disposable, and risky addresses before they enter your database. Integrate with a single API call and prevent bad data at the source.

Frequently Asked Questions

Yes, segment.com is the official corporate email domain for Twilio Segment. It is used for internal business communications and is not available for public registration.
No, segment.com is a corporate email domain belonging to Twilio Segment, used exclusively by employees and authorized personnel.
segment.com uses enterprise-grade mail infrastructure. Check the MX records section above for specific mail server details.
B2B marketing to segment.com requires proper consent. Corporate domains may use catch-all configurations, so verify individual addresses before sending.
Corporate domains like segment.com may use catch-all configurations. Use BulkEmailChecker's advanced verification to detect catch-all behavior.
The fastest and most accurate way to verify a segment.com email address is to use BulkEmailChecker's free email verification tool. Simply enter the full email address and our system performs SMTP-level validation by connecting directly to segment.com's mail servers. You'll get instant results showing whether the mailbox exists, is deliverable, and is safe to send to, all without sending a single email.
Yes. BulkEmailChecker uses SMTP verification to check if a segment.com mailbox exists without ever delivering an email. Our system connects to the domain's mail server, performs an SMTP handshake, and queries the mail server to confirm whether the recipient address is valid. This process is completely invisible to the email recipient and does not affect your sender reputation.
Sending to invalid email addresses causes hard bounces, which directly damage your sender reputation. Internet Service Providers (ISPs) and email providers track your bounce rate, and if it exceeds 2%, your emails may start landing in spam folders or get blocked entirely. Verifying segment.com addresses with BulkEmailChecker before sending prevents bounces and keeps your deliverability high.
BulkEmailChecker's bulk verification service lets you upload a CSV or TXT file containing thousands of segment.com email addresses and verify them all at once. Each address goes through 30+ verification checks including syntax validation, DNS/MX lookup, SMTP verification, disposable domain detection, and spam trap identification. Results are typically ready within minutes and can be downloaded as a clean, verified list.
Email verification is the process of confirming that an email address is real, properly formatted, and capable of receiving messages. It matters because sending to invalid addresses causes bounces, damages your sender reputation, wastes marketing budget, and can get your sending IP blacklisted. BulkEmailChecker verifies addresses at the SMTP level, the most accurate method available, ensuring your emails reach real people.
MX (Mail Exchange) records are DNS entries that specify which mail servers are responsible for receiving email for a domain. When you send an email, your mail server looks up the recipient domain's MX records to find where to deliver the message. If a domain has no MX records, it cannot receive email. BulkEmailChecker checks MX records as part of every verification to confirm the domain is configured for email delivery.
A catch-all (or accept-all) domain is configured to accept email sent to any address at that domain, regardless of whether the specific mailbox exists. This makes it harder to verify individual addresses because the server always responds positively. BulkEmailChecker detects catch-all configurations and flags them in verification results so you can make informed decisions about sending to those addresses.
Yes. BulkEmailChecker offers a real-time email verification API that you can integrate into signup forms, CRM systems, lead capture tools, and any application that collects email addresses. The API validates addresses at the point of entry, blocking invalid, disposable, and risky emails before they enter your database. Integration takes just a single API call with response times under 3 seconds.

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